SIP Trunks Mapping

This topic introduces the mapping of SIP trunks between Yeastar and 3CX Phone System.

On Yeastar PBX web portal, go to Extension and Trunk > Trunk to check whether SIP trunks are mapped correctly, as detailed in the following information for your reference.

Basic

Yeastar	3CX
Basic
Name	Enter name for Trunk
Trunk Status Important: After migrating SIP trunks to Yeastar Phone System, the trunks are disabled by default. To use the trunks, you need to set Trunk Status to Enabled.
Select ITSP Template
Detailed Configuration
Trunk Type Peer Trunk / Peer Trunk (DID Based) Register Trunk Peer Trunk (Port Based) Peer Trunk (Private Network) Account Trunk WebRTC Trunk	Type of Authentication Do not require - IP Based Incoming - Inbound only / Outbound - Outbound only/ Register/Account based
Transport UDP TCP TLS DNS-NAPTR Note: If Auto Discovery is enabled for a trunk's Registrar/Server/Gateway Hostname or IP or Outbound Proxy on 3CX, Transport will be set to DNS-NAPTR.	Transport Protocol Any / UDP TCP TLS
Hostname/IP	Registrar/Server/Gateway Hostname or IP
Port Note: If Auto Discovery is enabled for a trunk's Registrar/Server/Gateway Hostname or IP or Outbound Proxy on 3CX, Port will be set to 0.	Port
Domain
Username	Authentication ID (aka SIP User ID)
Password	Authentication Password
Authentication Name	3 Way Authentication Password
Enable Outbound Proxy	Outbound Proxy

Advanced

Yeastar	3CX
Codec Settings
Codec Settings	Codec Priority
VoIP Settings
VoIP Settings
Call Restriction
Call Restriction Type All Outbound Note: If you have set Number of SIM Calls on 3CX, the Call Restriction Type will be set to All. Otherwise, it will be set to Outbound.	Number of SIM Calls
Maximum Concurrent Calls	Number of SIM Calls

DIDs/DDIs

Yeastar	3CX
DID/DDI	DID/DDI Number
DID/DDI Name

Outbound Caller ID

Yeastar	3CX
General
Outbound Caller ID	Configure Outbound Caller ID
Outbound Caller ID Name
Outbound Caller ID List
Outbound Caller ID List